<script setup>
import { Edit, Delete } from '@element-plus/icons-vue'
import { onMounted, ref, onUnmounted } from 'vue'
import {
  articleCategoryService,
  getArticleService,
  addArticleService,
  deleteArticleService,
  getArticleByIdService,
  updateArticleService,
} from '../../api/article'
import { useTokenStore } from '../../stores/token'
import { ElMessage,ElMessageBox } from 'element-plus'
import { Plus } from '@element-plus/icons-vue'
import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'

//文章分类数据模型
const categorys = ref([])
//用户搜索时选中的分类id
const categoryId = ref('')

//用户搜索时选中的发布状态
const state = ref('')

//文章列表数据模型
const articles = ref([])

//分页条数据模型
const pageNum = ref(1) //当前页
const pageSize = ref(10) //每页条数
const total = ref(20) //总条数
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const articleModel = ref({
  title: '',
  categoryId: '',
  coverImg: '',
  content: '',
  state: '',
})
// token的存储处
const tokenStore = useTokenStore()
// 编辑表单是否弹出
const editFormVisible = ref(false)

// 编辑文章按钮绑定数据模型
const editArticleForm = ref({
  id: '',
  title: '',
  categoryId: '',
  state: '',
  content: '',
  coverImg: '',
})

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
  pageSize.value = size
  getArticles()
}
//当前页发生变化，调用此函数
const onCurrentChange = (num) => {
  pageNum.value = num
  getArticles()
}

// 显示分类信息
const showCategory = async () => {
  let res = await articleCategoryService()
  categorys.value = res.data
}

// 获取文章列表信息
const getArticles = async () => {
  let pageData = {
    pageNum: pageNum.value,
    pageSize: pageSize.value,
    categoryId: categoryId.value ? categoryId.value : null,
    state: state.value ? state.value : null,
  }
  let res = await getArticleService(pageData)
  let data = res.data

  articles.value = data.records
  // articles.value.categoryId = '已发布'?data.records.categoryId === 1:'草稿'
  pageNum.value = data.current
  pageSize.value = data.size
  total.value = data.total
  for (let i = 0; i < articles.value.length; i++) {
    let article = articles.value[i]
    for (let j = 0; j < categorys.value.length; j++) {
      if (article.categoryId == categorys.value[j].id) {
        article.categoryName = categorys.value[j].categoryName
      }
    }
  }
}
// 重设下拉框分类信息
const resetCategory = () => {
  categoryId.value = ''
  state.value = ''
  getArticles()
}

// 文章时间信息格式化
const formatDate = (row, column) => {
  // 获取单元格数据
  let data = row[column.property]
  if (data == null) {
    return null
  }
  let dt = new Date(data)
  //   return new Intl.DateTimeFormat()
  return (
    dt.getFullYear() +
    '-' +
    (dt.getMonth() + 1) +
    '-' +
    dt.getDate() +
    ' ' +
    dt.getHours() +
    ':' +
    dt.getMinutes() +
    ':' +
    dt.getSeconds()
  )
}
// 编辑文章

const uploadSuccess = (res) => {
  articleModel.value.coverImg = res.data
  console.log(res.data)
}
// 发布草稿或已发布
const publish = async (type) => {
  articleModel.value.state = type
  let res = await addArticleService(articleModel.value)

  ElMessage.success(res.message ? res.message : '上传成功，主人')
  visibleDrawer.value = false
  getArticles()
}

// 点击显示文章编辑弹框并赋值编辑数据模型
const showEditBox = (row) => {
  editFormVisible.value = true
  editArticleForm.value.id = row.id
  editArticleForm.value.title = row.title
  editArticleForm.value.categoryId = row.categoryId

  editArticleForm.value.state = row.state
  editArticleForm.value.content = row.content
  editArticleForm.value.coverImg = row.coverImg
  console.log(row)
}

// 编辑弹框
const editArticle = async () => {
  let res = await updateArticleService(editArticleForm.value)
  ElMessage.success(res.message ? res.message : '主人，已经修改成功了')
  editFormVisible.value = false
  getArticles()
}

const showDeleteBox = (row) => {
  ElMessageBox.confirm(
    '主人，您确定要删除吗',
    '音音尧尧的提醒',
    {
      confirmButtonText: '是的',
      cancelButtonText: '不要',
      type: 'warning',
    }
  )
    .then(() => {
      deleteArticleService(row.id)
      getArticles()
      ElMessage({
        type: 'success',
        message: '删除成功了哟，我的主人',
      })
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '删除取消了，主人',
      })
    })
}
// 刷新时加载
onMounted(() => {
  showCategory()
  getArticles()
})



</script>
<template>
  <!-- 编辑弹窗 -->
  <el-dialog v-model="editFormVisible" title="主人，请开始编辑吧">
    <el-form :model="editArticleForm" label-width='70'>
      <el-form-item label="标题">
        <el-input v-model="editArticleForm.title" autocomplete="off" />
      </el-form-item>
      <el-form-item label="分类">
        <el-select v-model="editArticleForm.categoryId" placeholder="请选择一个类别吧">
          <el-option label="三体" value="1" />
          <el-option label="科幻" value="2" />
        </el-select>
      </el-form-item>
      <el-form-item label="状态">
        <el-select v-model="editArticleForm.state" placeholder="请选择一个类别吧">
          <el-option label="草稿" value="草稿" />
          <el-option label="已发布" value="已发布" />
        </el-select>
      </el-form-item>
      <el-form-item label="文章内容">
        <div class="editor">
          <quill-editor theme="snow" v-model:content="editArticleForm.content" contentType="html">
          </quill-editor>
        </div>
      </el-form-item>
    </el-form>

    <template #footer>
      <span class="dialog-footer">
        <el-button @click="editFormVisible = false,ElMessage({message:'编辑已取消，主人'})">取消</el-button>
        <el-button type="primary" @click="editArticle">
          确认
        </el-button>
      </span>
    </template>
  </el-dialog>


  <el-card class="page-container">
    <!-- 卡牌标题 -->
    <template #header>
      <div class="header">
        <span>文章管理</span>
        <div class="extra">
          <el-button type="primary" @click="visibleDrawer = true">添加文章</el-button>
        </div>
      </div>
    </template>

    <!-- 搜索表单 -->
    <el-form inline>
      <el-form-item label="文章分类：">
        <el-select placeholder="请选择" v-model="categoryId">
          <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
          </el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="发布状态：">
        <el-select placeholder="请选择" v-model="state">
          <el-option label="已发布" value="已发布"></el-option>
          <el-option label="草稿" value="草稿"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="getArticles()">搜索</el-button>
        <el-button @click="resetCategory()">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 文章列表 -->
    <el-table :data="articles" style="width: 100%">
      <el-table-column label="序号" width="100" type="index"> </el-table-column>
      <el-table-column label="文章标题" width="300" prop="title"></el-table-column>
      <el-table-column label="分类" prop="categoryName"></el-table-column>
      <el-table-column label="发表时间" prop="createTime" :formatter="formatDate">
      </el-table-column>
      <el-table-column label="状态" prop="state"></el-table-column>
      <el-table-column label="操作" width="100">
        <template #default="{ row }">
          <el-button :icon="Edit" circle plain type="primary" @click="showEditBox(row)"></el-button>
          <el-button :icon="Delete" circle plain type="danger" @click="showDeleteBox(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description=" 没有数据" />
      </template>
    </el-table>
    <!-- 分页条 -->
    <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5, 10, 15]" layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange" @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
  </el-card>

  <!-- 文章发布或草稿抽屉 -->
  <el-drawer v-model="visibleDrawer" title="添加文章" direction="rtl" size="40%">
    <!-- 添加文章表单 -->
    <el-form :model="articleModel" label-width="100px">
      <el-form-item label="文章标题">
        <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
      </el-form-item>
      <el-form-item label="文章分类">
        <el-select placeholder="请选择" v-model="articleModel.categoryId">
          <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="文章封面">
        <el-upload class="avatar-uploader" :auto-upload="true" :show-file-list="false" action="/api/file/upload" name="file" :headers="{ Authorization: tokenStore.token }" :on-success="uploadSuccess">
          <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
          <el-icon v-else class="avatar-uploader-icon">
            <Plus />
          </el-icon>
        </el-upload>
      </el-form-item>
      <el-form-item label="文章内容">
        <div class="editor">
          <quill-editor theme="snow" v-model:content="articleModel.content" contentType="html">
          </quill-editor>
        </div>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="publish('已发布')">发布</el-button>
        <el-button type="info" @click="publish('草稿')">草稿</el-button>
      </el-form-item>
    </el-form>
  </el-drawer>
</template>
<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
.avatar-uploader {
  :deep() {
    .avatar {
      width: 178px;
      height: 178px;
      display: block;
    }

    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }

    .el-upload:hover {
      border-color: var(--el-color-primary);
    }

    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 178px;
      height: 178px;
      text-align: center;
    }
  }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>
